128008440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 192

約数和(自身を含む): 482227200

約数和(自身を除く): 354218760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 105, 120, 126, 140, 158, 168, 180, 210, 237, 252, 280, 315, 316, 360, 395, 420, 474, 504, 553, 630, 632, 643, 711, 790, 840, 948, 1106, 1185, 1260, 1286, 1422, 1580, 1659, 1896, 1929, 2212, 2370, 2520, 2572, 2765, 2844, 3160, 3215, 3318, 3555, 3858, 4424, 4501, 4740, 4977, 5144, 5530, 5688, 5787, 6430, 6636, 7110, 7716, 8295, 9002, 9480, 9645, 9954, 11060, 11574, 12860, 13272, 13503, 14220, 15432, 16590, 18004, 19290, 19908, 22120, 22505, 23148, 24885, 25720, 27006, 28440, 28935, 33180, 36008, 38580, 39816, 40509, 45010, 46296, 49770, 50797, 54012, 57870, 66360, 67515, 77160, 81018, 90020, 99540, 101594, 108024, 115740, 135030, 152391, 162036, 180040, 199080, 202545, 203188, 231480, 253985, 270060, 304782, 324072, 355579, 405090, 406376, 457173, 507970, 540120, 609564, 711158, 761955, 810180, 914346, 1015940, 1066737, 1219128, 1422316, 1523910, 1620360, 1777895, 1828692, 2031880, 2133474, 2285865, 2844632, 3047820, 3200211, 3555790, 3657384, 4266948, 4571730, 5333685, 6095640, 6400422, 7111580, 8533896, 9143460, 10667370, 12800844, 14223160, 16001055, 18286920, 21334740, 25601688, 32002110, 42669480, 64004220, 128008440]

約数ペア:

[(1, 128008440), (2, 64004220), (3, 42669480), (4, 32002110), (5, 25601688), (6, 21334740), (7, 18286920), (8, 16001055), (9, 14223160), (10, 12800844), (12, 10667370), (14, 9143460), (15, 8533896), (18, 7111580), (20, 6400422), (21, 6095640), (24, 5333685), (28, 4571730), (30, 4266948), (35, 3657384), (36, 3555790), (40, 3200211), (42, 3047820), (45, 2844632), (56, 2285865), (60, 2133474), (63, 2031880), (70, 1828692), (72, 1777895), (79, 1620360), (84, 1523910), (90, 1422316), (105, 1219128), (120, 1066737), (126, 1015940), (140, 914346), (158, 810180), (168, 761955), (180, 711158), (210, 609564), (237, 540120), (252, 507970), (280, 457173), (315, 406376), (316, 405090), (360, 355579), (395, 324072), (420, 304782), (474, 270060), (504, 253985), (553, 231480), (630, 203188), (632, 202545), (643, 199080), (711, 180040), (790, 162036), (840, 152391), (948, 135030), (1106, 115740), (1185, 108024), (1260, 101594), (1286, 99540), (1422, 90020), (1580, 81018), (1659, 77160), (1896, 67515), (1929, 66360), (2212, 57870), (2370, 54012), (2520, 50797), (2572, 49770), (2765, 46296), (2844, 45010), (3160, 40509), (3215, 39816), (3318, 38580), (3555, 36008), (3858, 33180), (4424, 28935), (4501, 28440), (4740, 27006), (4977, 25720), (5144, 24885), (5530, 23148), (5688, 22505), (5787, 22120), (6430, 19908), (6636, 19290), (7110, 18004), (7716, 16590), (8295, 15432), (9002, 14220), (9480, 13503), (9645, 13272), (9954, 12860), (11060, 11574)]